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SRSW.org
ARCHIVES
06/06/2005 Notice to SRSW subscribers - discharge to Honey Creek Tributary
09/13/2005 Pall Permit Meeting/Hearing - comments
1999-2004 SRSW News
1999/07/09-Latest on the Pall-Gelman Contamination
1999/10/05-The Contested Hearings Case
2000/01/07-SRSW Press Release
2000/02/02-Videotape to air on CTN
2000/03/05-Michigan's Attorney General sues Pall-Gelman
2000/04/12-Contested Case Results
2000/06/25-Harding revises Pall-Gelman discharge permit
2000/07/23-Shelton orders remediation enforcement
2000/09/27-Comments on the Pall-Gelman 5 year plan
2000/10/14-Comments on the Pall-Gelman 5 year plan (continued)
2000/11/28-News from Pall-Gelman November report packet
2000/12/04-News from Pall-Gelman November report packet (continued)
2000/12/14-News from Pall-Gelman November report packet (continued)
2000/12/24-News from Pall-Gelman November report packet (continued)
2001/03/29-1,4-Dioxane found in deepest aquifer
2001/04/11-1,4-Dioxane found in deepest aquifer (continued)
2001/04/12-1,4-Dioxane pollutes Ann Arbor Municipal Supply Well
2001/06/22-More 1,4-Dioxane found in deepest aquifer
2001/10/14-Plume definition and capture still lacking
2001/12/09-Deep aquifer contamination spread farther than expected
2002/01/14-Contamination increases in newly discovered plume
2002/01/28-Other contamination found in deepest aquifer
2002/03/01-Public hearing on Pall's discharge permit
2002/03/04-Permit would add Dioxane to drinking water sources
2002/03/13-Public meeting on permit changes
2002/04/04-Problems with permit changes aired
2002/04/14-New Dioxane finds in Ann Arbor
2002/05/08-DEQ approves permit changes
2002/08/03-Community-Acceptable Cleanup in Court
2002/08/14-Judge finds permit clause unlawful
2002/10/22-Concerns about Pall-Gelman contamination site
2002/11/06-Chronic toxicity test failure shuts down Pall cleanup
2002/12/22-Pall slow to delineate plume
2003/02/11-Public meeting on Pall-Gelman contamination
2004/03/24-Community Meeting
2004/07/09-SRSW Response to DEQ E Unit Cleanup Plan
Ann Arbor News - dioxane search
Comments on April 2004 Sampling Data
DEQ-EGLE Legal Docs
Emails/Letters
2016/01/29-Email to DEQ from Roger Rayle/SRSW - Data problems may mislead decision makers
hvcn.org-srsw--archive
Pall/Gelman Dispute Resolutions
Pall/Gelman Documents on Box.net
Past - Featured
Why Wasn't E Plume Caught Earlier
Flow Chart of Cleanup Process after Proposed Changes
Commentary
Examples of Pall's Understanding of the Site
Contact SRSW
DATA
2004-2010 deep Evergreen SWLs
2004-2010 deep Evergreen SWLs Motion Chart
Dioxane ppb/year motion chart
MotionChart-1986-2009Data
Water Levels Motion Charts
Wells by Screen Elevation (as of 2017)
Donate
EPA Petition
EVENTS
MAPS/IMAGES
1986-2006-West-East-Well_Depths
2009 Dioxane Plume Map
2009 MotionChart-ppblog-time-ScrElev
20121004-BOCworksession
2015 dioxane level graphs - northernmost wells
2015 hits - Honey Creek Trib - D0
20160418-CARD-TownhallMtg-FINAL
20160929-dioxane-update
2017/10/19-Core Area Purge Wells to Shut Down for 10 Days
Dioxane by Aquifer - 1986-2010
Dioxane Plumes 1992-2009
Dioxane Plumes Under Pall 1998-2009
Dioxane Spread to Lower Elevations 1986-2006 -- west-east view
Dioxane Travel Time Modeling
Elevation of Wells with Dioxane Readings-1986-2006
Gelman Site Dioxane Studies by Dr. Lemke and his Students
Highest Ever reads 2012-2015
Hinkley CA hexavalent chromium plume vs Pall-Gelman dioxane plumes
Pall/Gelman Dioxane vs Old City Landfill - 3D Displays
Pall/Gelman Dioxane vs Old City Landfill - on Google earth
Pall/Gelman Site in Google Earth
1995 Gelman Database
Google Earth Mashup - Components
Pall/Gelman Site in Google Earth-2016
ppb graphs - scr elev 720-780
PGhist-2012-keyslides
Timeline - Pall/Gelman Site
Timeline - from City of Ann Arbor - as of Feb 2004
NEWS
01/06/2016 - State Dioxane Standards May (finally) Tighten in 2016
01/07/2013 - Ongoing Dioxane Sampling Problems
01/09/2012 - Dispute Resolution Court Hearing January 11, 2012
01/10/2013-02/24/2013 - Pall Corp email exchange - cleanup concerns
01/12/2013 - Pall Eliminates All "Dioxane" (from its 2008-2012 10-K reporting)
01/16/2014 - Some Observations on the Pall/Gelman 1,4-Dioxane Groundwater Contamination Site
01/30/2017 - Pall/Gelman Avoids Mapping Deep Dioxane Contamination On Its Original Property
02/08/2012 - Two Sets of "Books" to Monitor the Contamination -or- Cover Up of Faulty Database Conversion?
02/11/2011 - MDNRE Approves Pall/Gelman Plan to Reduce 1,4-Dioxane Groundwater Cleanup
02/14/2016 - Wells with Highest Ever Readings 2013-2015 - Pall Proposes Reduced Sampling
02/20/2013 - Pall/DEQ Split Sample Results Jan 2013
02/22/2018 - Michigan Senate Bills could limit MDEQ cleanup enforcement
02/27/2013 - Pall/Gelman Groundwater Contamination Site - Maximum Dioxane Levels Per year
03/01/2019 - First Detectable (almost undetectable) Dioxane in Ann Arbor's Drinking Water
03/08/2016 - AANews Archive: Pall-Gelman clippings are up!
03/11/2011 - Consent Judgment Changes Reduce Pall/Gelman Cleanup Requirements
03/14/2016 - DEQ Proposes Tighter Dioxane Cleanup Standard
03/21/2013 - Email to DEQ - troubling results ... and resulting thread
03/25/2011 - AADL Video: Our Water, Our Future Panel
03/26/2014 - 1,4-Dioxane Detected in More Drinking Water Supplies Nationwide
03/27/2012 - Collaborative Stakeholders Initiative - Lacked Citizen/Environmental Group Reps
03/30/2011 - Public Meeting
04/02/2019 - A Compliance Well in name only: MW-103s
04/09/2015 - High Readings - northward expansion
04/15/2009 - Shocking news from Circuit Court Judge Donald Shelton
04/27/2009 - Good News, Bad News Follow-up to Schedule Order
04/27/2017 DEQ Extends Emergency Rules to Establish Safer Dioxane Standards
04/28/2019 Bridge - Opinion | Six ways Gretchen Whitmer and lawmakers can protect Michigan water
05/02/2018 - DEQ Tightens Groundwater-Surface Water Interface Standards for Dioxane
05/13/2015 - Pall Corporation to be acquired by Danaher Corporation
05/19/2009 - Pall/Gelman Proposes Major Cuts in Dioxane Cleanup
05/20/2009 - CARD Annual Public Meeting
06/14/2016 - Scio Township Passes Resolution Supporting Making the Gelman Site as EPA Superfund Site
07/09/2015 -Long Term Thinking Needed
07/17/2012 - Alarmingly High Dioxane Level
07/21/2014 - DEQ Settles for $500K - may reduce public data
07/25/2011 - E. coli pollution in Scio Township's Honey Creek
07/31/2005 - Five Year Cleanup Plan Update
08/02/2017 - CARD Responds to DEQ Regarding DEQ Vapor Intrusion Investigation & Dioxane Criteria
08/02/2017 - DEQ Takes Action to Make 7.2 ppb Dioxane Standard Permanent
08/07/2015 - Pall's Little Lake Report
08/11/2010 - US EPA IRIS Report on 1,4-dioxane Human Health Assessment
08/26/2010 - Senate Passes Changes to Part 201
09/01/2013 - September 2013 Observations
09/07/2017 - Industrial solvent widely found in U.S. drinking water
09/15/2014 - Dioxane Travel Time Modeling
09/19/2012 - Forbes Blogger Asks about Pall's 1,4-Dioxane Data
09/19/2014 - Email response to 4/4/14 Sutton review of EG flow
09/20/2011 - Still No Resolution on Pall/Gelman Database Anomalies
10/03/2014 - Pall to Install Monitoring Wells in the Honey Creek Area
10/18/2010 - Secret Negotitaions Continue on Pall/Gelman Proposal to Reduce Cleanup Activities
10/28/2013 - Email to DEQ
10/30/2017 - DEQ Makes 7.2 ppb Dioxane Standard Permanent
11/05/2015 - Even Higher Readings - northward expansion
11/07/2017 - EPA Issues Preliminary Assessment of Gelman site to be a Superfund site
11/17/2010 - DNRE Tentatively Approves Pall/Gelman Cleanup Plan Changes
11/22/2013 - MDEQ proposes outdated cleanup standards
11/24/2010 - Flow Chart of Eastern System Cleanup Term Sheet
12/09/2014 - Scientist with deep industry ties being considered for key EPA job
12/15/2008 - Well Prohibition Zone Expansion?
12/15/2010 - AnnArbor.com Pall/Gelman Article
2009 News
2016/11/29 - EPA will evaluate 1,4-dioxane under the Toxic Substances Control Act
20170806 - Lack of Complete, Central Database Hampers Understanding of Dioxane Plumes
20170914-EPA toxics nominee Dourson advocated for loose dioxane standard
List of AANews Gelman/Pall/Dioxane Articles Archive by Date
Michigan DEQ Issues Emergency Rules to Establish Safer Dioxane Standards
Moratorium on EPA Regulations
NGWA Award Questioned
Pall Proposes to Terminate Little Lake Dioxane Plume Cleanup
Pall's Transmission Pipeline Fails (again)
Pall/Gelman Database Changes
Prior News
2008/12/15 - Status Conference - Well Prohibition Zone Expansion?
2009/04/15 - Shocking news from Circuit Court Judge Donald Shelton
2009/04/27 - Good News, Bad News Follow-up to Schedule Order
2009/05/19 - Pall/Gelman Proposes Major Cuts in Dioxane Cleanup
2010/08/17 - Senate Passes Changes to Part 201
2010/10/18 - Secret Negotitaions Continue on Pall/Gelman Proposal to Reduce Cleanup Activities
2010/11/17 - DNRE Tentatively Approves Pall/Gelman Plan to Modify the Cleanup
2011/02/07 - Flow Chart of Cleanup Process if DNRE Approves Pall/Gelman's Proposed Changes
2011/02/11 - MDNRE Approves Pall/Gelman Plan to Reduce 1,4-Dioxane Groundwater Cleanup
2011/03/11 - Consent Judgment Changes Reduce Pall/Gelman Cleanup Requirements
2011/03/25 - AADL Video: "Our Water, Our Future" Panel
2011/07/25 - E. coli pollution in Scio Township's Honey Creek
2011/09/20 - Still No Resolution on Pall/Gelman Database Anomalies
2012/01/09 - Dispute Resolution Court Hearing January 11, 2012
2012/02/08 - Two Sets of "Books" to Monitor the Contamination -or- Cover Up of Faulty Database Conversion?
2013/01/07 - Ongoing Dioxane Sampling Problems
2013/01/12 - Pall Eliminates All "Dioxane" (from its 2008-2012 10-K reporting)
2013/02/20 - Pall/DEQ Split Sample Results Jan 2013
2013/02/27 - Pall/Gelman Groundwater Contamination Site - Maximum Dioxane Levels Per year
2013/09/01 - September 2013 Observations
2013/10/28 - Email to DEQ
2014/01/16 - Some Observations on the Pall/Gelman 1,4-Dioxane Groundwater Contamination Site
2014/03/31 - Meeting to Discuss Fracking in Scio Township
2014/04/01 - Advice on fracking rights from HRWC
05/03/2021 - Gelman litigation hearing
Other Dioxane Sites
Petition to the MDEQ and Governor Rick Snyder to Restore Database Access
2016/11/21 - Petition Requesting the Gelman Site Become a Federal USEPA Superfund Site
Prohibition Zone
Proposed 4th Consent Judgment Settlement
VIDEOS
10/23/1995 DEQ Public Meeting video on Gelman 1995 cleanup plan
AADL Video: "Our Water, Our Future" Panel
Audio Recordings
CTN Other Perspectives: Toxic Plume
Robots Talk About Pall/Gelman Cleanup--obsolete-XtraNormal is gone
Videos of Earlier Public Meetings
Videos of Pall/Gelman Discharge Point
Volunteer
Previous SRSW Home Pages
Copy of SRSW.org-20210928
2022/12/01 Two Newly Published Articles about Gelman Site Dioxane
01/24/2024 Public Notice of Gelman NPDES Permit Renewal
Dioxane Plumes 1992-2023
Dioxane Plumes 1992-2020
Home
SRSW.org
ARCHIVES
06/06/2005 Notice to SRSW subscribers - discharge to Honey Creek Tributary
09/13/2005 Pall Permit Meeting/Hearing - comments
1999-2004 SRSW News
1999/07/09-Latest on the Pall-Gelman Contamination
1999/10/05-The Contested Hearings Case
2000/01/07-SRSW Press Release
2000/02/02-Videotape to air on CTN
2000/03/05-Michigan's Attorney General sues Pall-Gelman
2000/04/12-Contested Case Results
2000/06/25-Harding revises Pall-Gelman discharge permit
2000/07/23-Shelton orders remediation enforcement
2000/09/27-Comments on the Pall-Gelman 5 year plan
2000/10/14-Comments on the Pall-Gelman 5 year plan (continued)
2000/11/28-News from Pall-Gelman November report packet
2000/12/04-News from Pall-Gelman November report packet (continued)
2000/12/14-News from Pall-Gelman November report packet (continued)
2000/12/24-News from Pall-Gelman November report packet (continued)
2001/03/29-1,4-Dioxane found in deepest aquifer
2001/04/11-1,4-Dioxane found in deepest aquifer (continued)
2001/04/12-1,4-Dioxane pollutes Ann Arbor Municipal Supply Well
2001/06/22-More 1,4-Dioxane found in deepest aquifer
2001/10/14-Plume definition and capture still lacking
2001/12/09-Deep aquifer contamination spread farther than expected
2002/01/14-Contamination increases in newly discovered plume
2002/01/28-Other contamination found in deepest aquifer
2002/03/01-Public hearing on Pall's discharge permit
2002/03/04-Permit would add Dioxane to drinking water sources
2002/03/13-Public meeting on permit changes
2002/04/04-Problems with permit changes aired
2002/04/14-New Dioxane finds in Ann Arbor
2002/05/08-DEQ approves permit changes
2002/08/03-Community-Acceptable Cleanup in Court
2002/08/14-Judge finds permit clause unlawful
2002/10/22-Concerns about Pall-Gelman contamination site
2002/11/06-Chronic toxicity test failure shuts down Pall cleanup
2002/12/22-Pall slow to delineate plume
2003/02/11-Public meeting on Pall-Gelman contamination
2004/03/24-Community Meeting
2004/07/09-SRSW Response to DEQ E Unit Cleanup Plan
Ann Arbor News - dioxane search
Comments on April 2004 Sampling Data
DEQ-EGLE Legal Docs
Emails/Letters
2016/01/29-Email to DEQ from Roger Rayle/SRSW - Data problems may mislead decision makers
hvcn.org-srsw--archive
Pall/Gelman Dispute Resolutions
Pall/Gelman Documents on Box.net
Past - Featured
Why Wasn't E Plume Caught Earlier
Flow Chart of Cleanup Process after Proposed Changes
Commentary
Examples of Pall's Understanding of the Site
Contact SRSW
DATA
2004-2010 deep Evergreen SWLs
2004-2010 deep Evergreen SWLs Motion Chart
Dioxane ppb/year motion chart
MotionChart-1986-2009Data
Water Levels Motion Charts
Wells by Screen Elevation (as of 2017)
Donate
EPA Petition
EVENTS
MAPS/IMAGES
1986-2006-West-East-Well_Depths
2009 Dioxane Plume Map
2009 MotionChart-ppblog-time-ScrElev
20121004-BOCworksession
2015 dioxane level graphs - northernmost wells
2015 hits - Honey Creek Trib - D0
20160418-CARD-TownhallMtg-FINAL
20160929-dioxane-update
2017/10/19-Core Area Purge Wells to Shut Down for 10 Days
Dioxane by Aquifer - 1986-2010
Dioxane Plumes 1992-2009
Dioxane Plumes Under Pall 1998-2009
Dioxane Spread to Lower Elevations 1986-2006 -- west-east view
Dioxane Travel Time Modeling
Elevation of Wells with Dioxane Readings-1986-2006
Gelman Site Dioxane Studies by Dr. Lemke and his Students
Highest Ever reads 2012-2015
Hinkley CA hexavalent chromium plume vs Pall-Gelman dioxane plumes
Pall/Gelman Dioxane vs Old City Landfill - 3D Displays
Pall/Gelman Dioxane vs Old City Landfill - on Google earth
Pall/Gelman Site in Google Earth
1995 Gelman Database
Google Earth Mashup - Components
Pall/Gelman Site in Google Earth-2016
ppb graphs - scr elev 720-780
PGhist-2012-keyslides
Timeline - Pall/Gelman Site
Timeline - from City of Ann Arbor - as of Feb 2004
NEWS
01/06/2016 - State Dioxane Standards May (finally) Tighten in 2016
01/07/2013 - Ongoing Dioxane Sampling Problems
01/09/2012 - Dispute Resolution Court Hearing January 11, 2012
01/10/2013-02/24/2013 - Pall Corp email exchange - cleanup concerns
01/12/2013 - Pall Eliminates All "Dioxane" (from its 2008-2012 10-K reporting)
01/16/2014 - Some Observations on the Pall/Gelman 1,4-Dioxane Groundwater Contamination Site
01/30/2017 - Pall/Gelman Avoids Mapping Deep Dioxane Contamination On Its Original Property
02/08/2012 - Two Sets of "Books" to Monitor the Contamination -or- Cover Up of Faulty Database Conversion?
02/11/2011 - MDNRE Approves Pall/Gelman Plan to Reduce 1,4-Dioxane Groundwater Cleanup
02/14/2016 - Wells with Highest Ever Readings 2013-2015 - Pall Proposes Reduced Sampling
02/20/2013 - Pall/DEQ Split Sample Results Jan 2013
02/22/2018 - Michigan Senate Bills could limit MDEQ cleanup enforcement
02/27/2013 - Pall/Gelman Groundwater Contamination Site - Maximum Dioxane Levels Per year
03/01/2019 - First Detectable (almost undetectable) Dioxane in Ann Arbor's Drinking Water
03/08/2016 - AANews Archive: Pall-Gelman clippings are up!
03/11/2011 - Consent Judgment Changes Reduce Pall/Gelman Cleanup Requirements
03/14/2016 - DEQ Proposes Tighter Dioxane Cleanup Standard
03/21/2013 - Email to DEQ - troubling results ... and resulting thread
03/25/2011 - AADL Video: Our Water, Our Future Panel
03/26/2014 - 1,4-Dioxane Detected in More Drinking Water Supplies Nationwide
03/27/2012 - Collaborative Stakeholders Initiative - Lacked Citizen/Environmental Group Reps
03/30/2011 - Public Meeting
04/02/2019 - A Compliance Well in name only: MW-103s
04/09/2015 - High Readings - northward expansion
04/15/2009 - Shocking news from Circuit Court Judge Donald Shelton
04/27/2009 - Good News, Bad News Follow-up to Schedule Order
04/27/2017 DEQ Extends Emergency Rules to Establish Safer Dioxane Standards
04/28/2019 Bridge - Opinion | Six ways Gretchen Whitmer and lawmakers can protect Michigan water
05/02/2018 - DEQ Tightens Groundwater-Surface Water Interface Standards for Dioxane
05/13/2015 - Pall Corporation to be acquired by Danaher Corporation
05/19/2009 - Pall/Gelman Proposes Major Cuts in Dioxane Cleanup
05/20/2009 - CARD Annual Public Meeting
06/14/2016 - Scio Township Passes Resolution Supporting Making the Gelman Site as EPA Superfund Site
07/09/2015 -Long Term Thinking Needed
07/17/2012 - Alarmingly High Dioxane Level
07/21/2014 - DEQ Settles for $500K - may reduce public data
07/25/2011 - E. coli pollution in Scio Township's Honey Creek
07/31/2005 - Five Year Cleanup Plan Update
08/02/2017 - CARD Responds to DEQ Regarding DEQ Vapor Intrusion Investigation & Dioxane Criteria
08/02/2017 - DEQ Takes Action to Make 7.2 ppb Dioxane Standard Permanent
08/07/2015 - Pall's Little Lake Report
08/11/2010 - US EPA IRIS Report on 1,4-dioxane Human Health Assessment
08/26/2010 - Senate Passes Changes to Part 201
09/01/2013 - September 2013 Observations
09/07/2017 - Industrial solvent widely found in U.S. drinking water
09/15/2014 - Dioxane Travel Time Modeling
09/19/2012 - Forbes Blogger Asks about Pall's 1,4-Dioxane Data
09/19/2014 - Email response to 4/4/14 Sutton review of EG flow
09/20/2011 - Still No Resolution on Pall/Gelman Database Anomalies
10/03/2014 - Pall to Install Monitoring Wells in the Honey Creek Area
10/18/2010 - Secret Negotitaions Continue on Pall/Gelman Proposal to Reduce Cleanup Activities
10/28/2013 - Email to DEQ
10/30/2017 - DEQ Makes 7.2 ppb Dioxane Standard Permanent
11/05/2015 - Even Higher Readings - northward expansion
11/07/2017 - EPA Issues Preliminary Assessment of Gelman site to be a Superfund site
11/17/2010 - DNRE Tentatively Approves Pall/Gelman Cleanup Plan Changes
11/22/2013 - MDEQ proposes outdated cleanup standards
11/24/2010 - Flow Chart of Eastern System Cleanup Term Sheet
12/09/2014 - Scientist with deep industry ties being considered for key EPA job
12/15/2008 - Well Prohibition Zone Expansion?
12/15/2010 - AnnArbor.com Pall/Gelman Article
2009 News
2016/11/29 - EPA will evaluate 1,4-dioxane under the Toxic Substances Control Act
20170806 - Lack of Complete, Central Database Hampers Understanding of Dioxane Plumes
20170914-EPA toxics nominee Dourson advocated for loose dioxane standard
List of AANews Gelman/Pall/Dioxane Articles Archive by Date
Michigan DEQ Issues Emergency Rules to Establish Safer Dioxane Standards
Moratorium on EPA Regulations
NGWA Award Questioned
Pall Proposes to Terminate Little Lake Dioxane Plume Cleanup
Pall's Transmission Pipeline Fails (again)
Pall/Gelman Database Changes
Prior News
2008/12/15 - Status Conference - Well Prohibition Zone Expansion?
2009/04/15 - Shocking news from Circuit Court Judge Donald Shelton
2009/04/27 - Good News, Bad News Follow-up to Schedule Order
2009/05/19 - Pall/Gelman Proposes Major Cuts in Dioxane Cleanup
2010/08/17 - Senate Passes Changes to Part 201
2010/10/18 - Secret Negotitaions Continue on Pall/Gelman Proposal to Reduce Cleanup Activities
2010/11/17 - DNRE Tentatively Approves Pall/Gelman Plan to Modify the Cleanup
2011/02/07 - Flow Chart of Cleanup Process if DNRE Approves Pall/Gelman's Proposed Changes
2011/02/11 - MDNRE Approves Pall/Gelman Plan to Reduce 1,4-Dioxane Groundwater Cleanup
2011/03/11 - Consent Judgment Changes Reduce Pall/Gelman Cleanup Requirements
2011/03/25 - AADL Video: "Our Water, Our Future" Panel
2011/07/25 - E. coli pollution in Scio Township's Honey Creek
2011/09/20 - Still No Resolution on Pall/Gelman Database Anomalies
2012/01/09 - Dispute Resolution Court Hearing January 11, 2012
2012/02/08 - Two Sets of "Books" to Monitor the Contamination -or- Cover Up of Faulty Database Conversion?
2013/01/07 - Ongoing Dioxane Sampling Problems
2013/01/12 - Pall Eliminates All "Dioxane" (from its 2008-2012 10-K reporting)
2013/02/20 - Pall/DEQ Split Sample Results Jan 2013
2013/02/27 - Pall/Gelman Groundwater Contamination Site - Maximum Dioxane Levels Per year
2013/09/01 - September 2013 Observations
2013/10/28 - Email to DEQ
2014/01/16 - Some Observations on the Pall/Gelman 1,4-Dioxane Groundwater Contamination Site
2014/03/31 - Meeting to Discuss Fracking in Scio Township
2014/04/01 - Advice on fracking rights from HRWC
05/03/2021 - Gelman litigation hearing
Other Dioxane Sites
Petition to the MDEQ and Governor Rick Snyder to Restore Database Access
2016/11/21 - Petition Requesting the Gelman Site Become a Federal USEPA Superfund Site
Prohibition Zone
Proposed 4th Consent Judgment Settlement
VIDEOS
10/23/1995 DEQ Public Meeting video on Gelman 1995 cleanup plan
AADL Video: "Our Water, Our Future" Panel
Audio Recordings
CTN Other Perspectives: Toxic Plume
Robots Talk About Pall/Gelman Cleanup--obsolete-XtraNormal is gone
Videos of Earlier Public Meetings
Videos of Pall/Gelman Discharge Point
Volunteer
Previous SRSW Home Pages
Copy of SRSW.org-20210928
2022/12/01 Two Newly Published Articles about Gelman Site Dioxane
01/24/2024 Public Notice of Gelman NPDES Permit Renewal
Dioxane Plumes 1992-2023
Dioxane Plumes 1992-2020
Home
More
SRSW.org
ARCHIVES
06/06/2005 Notice to SRSW subscribers - discharge to Honey Creek Tributary
09/13/2005 Pall Permit Meeting/Hearing - comments
1999-2004 SRSW News
1999/07/09-Latest on the Pall-Gelman Contamination
1999/10/05-The Contested Hearings Case
2000/01/07-SRSW Press Release
2000/02/02-Videotape to air on CTN
2000/03/05-Michigan's Attorney General sues Pall-Gelman
2000/04/12-Contested Case Results
2000/06/25-Harding revises Pall-Gelman discharge permit
2000/07/23-Shelton orders remediation enforcement
2000/09/27-Comments on the Pall-Gelman 5 year plan
2000/10/14-Comments on the Pall-Gelman 5 year plan (continued)
2000/11/28-News from Pall-Gelman November report packet
2000/12/04-News from Pall-Gelman November report packet (continued)
2000/12/14-News from Pall-Gelman November report packet (continued)
2000/12/24-News from Pall-Gelman November report packet (continued)
2001/03/29-1,4-Dioxane found in deepest aquifer
2001/04/11-1,4-Dioxane found in deepest aquifer (continued)
2001/04/12-1,4-Dioxane pollutes Ann Arbor Municipal Supply Well
2001/06/22-More 1,4-Dioxane found in deepest aquifer
2001/10/14-Plume definition and capture still lacking
2001/12/09-Deep aquifer contamination spread farther than expected
2002/01/14-Contamination increases in newly discovered plume
2002/01/28-Other contamination found in deepest aquifer
2002/03/01-Public hearing on Pall's discharge permit
2002/03/04-Permit would add Dioxane to drinking water sources
2002/03/13-Public meeting on permit changes
2002/04/04-Problems with permit changes aired
2002/04/14-New Dioxane finds in Ann Arbor
2002/05/08-DEQ approves permit changes
2002/08/03-Community-Acceptable Cleanup in Court
2002/08/14-Judge finds permit clause unlawful
2002/10/22-Concerns about Pall-Gelman contamination site
2002/11/06-Chronic toxicity test failure shuts down Pall cleanup
2002/12/22-Pall slow to delineate plume
2003/02/11-Public meeting on Pall-Gelman contamination
2004/03/24-Community Meeting
2004/07/09-SRSW Response to DEQ E Unit Cleanup Plan
Ann Arbor News - dioxane search
Comments on April 2004 Sampling Data
DEQ-EGLE Legal Docs
Emails/Letters
2016/01/29-Email to DEQ from Roger Rayle/SRSW - Data problems may mislead decision makers
hvcn.org-srsw--archive
Pall/Gelman Dispute Resolutions
Pall/Gelman Documents on Box.net
Past - Featured
Why Wasn't E Plume Caught Earlier
Flow Chart of Cleanup Process after Proposed Changes
Commentary
Examples of Pall's Understanding of the Site
Contact SRSW
DATA
2004-2010 deep Evergreen SWLs
2004-2010 deep Evergreen SWLs Motion Chart
Dioxane ppb/year motion chart
MotionChart-1986-2009Data
Water Levels Motion Charts
Wells by Screen Elevation (as of 2017)
Donate
EPA Petition
EVENTS
MAPS/IMAGES
1986-2006-West-East-Well_Depths
2009 Dioxane Plume Map
2009 MotionChart-ppblog-time-ScrElev
20121004-BOCworksession
2015 dioxane level graphs - northernmost wells
2015 hits - Honey Creek Trib - D0
20160418-CARD-TownhallMtg-FINAL
20160929-dioxane-update
2017/10/19-Core Area Purge Wells to Shut Down for 10 Days
Dioxane by Aquifer - 1986-2010
Dioxane Plumes 1992-2009
Dioxane Plumes Under Pall 1998-2009
Dioxane Spread to Lower Elevations 1986-2006 -- west-east view
Dioxane Travel Time Modeling
Elevation of Wells with Dioxane Readings-1986-2006
Gelman Site Dioxane Studies by Dr. Lemke and his Students
Highest Ever reads 2012-2015
Hinkley CA hexavalent chromium plume vs Pall-Gelman dioxane plumes
Pall/Gelman Dioxane vs Old City Landfill - 3D Displays
Pall/Gelman Dioxane vs Old City Landfill - on Google earth
Pall/Gelman Site in Google Earth
1995 Gelman Database
Google Earth Mashup - Components
Pall/Gelman Site in Google Earth-2016
ppb graphs - scr elev 720-780
PGhist-2012-keyslides
Timeline - Pall/Gelman Site
Timeline - from City of Ann Arbor - as of Feb 2004
NEWS
01/06/2016 - State Dioxane Standards May (finally) Tighten in 2016
01/07/2013 - Ongoing Dioxane Sampling Problems
01/09/2012 - Dispute Resolution Court Hearing January 11, 2012
01/10/2013-02/24/2013 - Pall Corp email exchange - cleanup concerns
01/12/2013 - Pall Eliminates All "Dioxane" (from its 2008-2012 10-K reporting)
01/16/2014 - Some Observations on the Pall/Gelman 1,4-Dioxane Groundwater Contamination Site
01/30/2017 - Pall/Gelman Avoids Mapping Deep Dioxane Contamination On Its Original Property
02/08/2012 - Two Sets of "Books" to Monitor the Contamination -or- Cover Up of Faulty Database Conversion?
02/11/2011 - MDNRE Approves Pall/Gelman Plan to Reduce 1,4-Dioxane Groundwater Cleanup
02/14/2016 - Wells with Highest Ever Readings 2013-2015 - Pall Proposes Reduced Sampling
02/20/2013 - Pall/DEQ Split Sample Results Jan 2013
02/22/2018 - Michigan Senate Bills could limit MDEQ cleanup enforcement
02/27/2013 - Pall/Gelman Groundwater Contamination Site - Maximum Dioxane Levels Per year
03/01/2019 - First Detectable (almost undetectable) Dioxane in Ann Arbor's Drinking Water
03/08/2016 - AANews Archive: Pall-Gelman clippings are up!
03/11/2011 - Consent Judgment Changes Reduce Pall/Gelman Cleanup Requirements
03/14/2016 - DEQ Proposes Tighter Dioxane Cleanup Standard
03/21/2013 - Email to DEQ - troubling results ... and resulting thread
03/25/2011 - AADL Video: Our Water, Our Future Panel
03/26/2014 - 1,4-Dioxane Detected in More Drinking Water Supplies Nationwide
03/27/2012 - Collaborative Stakeholders Initiative - Lacked Citizen/Environmental Group Reps
03/30/2011 - Public Meeting
04/02/2019 - A Compliance Well in name only: MW-103s
04/09/2015 - High Readings - northward expansion
04/15/2009 - Shocking news from Circuit Court Judge Donald Shelton
04/27/2009 - Good News, Bad News Follow-up to Schedule Order
04/27/2017 DEQ Extends Emergency Rules to Establish Safer Dioxane Standards
04/28/2019 Bridge - Opinion | Six ways Gretchen Whitmer and lawmakers can protect Michigan water
05/02/2018 - DEQ Tightens Groundwater-Surface Water Interface Standards for Dioxane
05/13/2015 - Pall Corporation to be acquired by Danaher Corporation
05/19/2009 - Pall/Gelman Proposes Major Cuts in Dioxane Cleanup
05/20/2009 - CARD Annual Public Meeting
06/14/2016 - Scio Township Passes Resolution Supporting Making the Gelman Site as EPA Superfund Site
07/09/2015 -Long Term Thinking Needed
07/17/2012 - Alarmingly High Dioxane Level
07/21/2014 - DEQ Settles for $500K - may reduce public data
07/25/2011 - E. coli pollution in Scio Township's Honey Creek
07/31/2005 - Five Year Cleanup Plan Update
08/02/2017 - CARD Responds to DEQ Regarding DEQ Vapor Intrusion Investigation & Dioxane Criteria
08/02/2017 - DEQ Takes Action to Make 7.2 ppb Dioxane Standard Permanent
08/07/2015 - Pall's Little Lake Report
08/11/2010 - US EPA IRIS Report on 1,4-dioxane Human Health Assessment
08/26/2010 - Senate Passes Changes to Part 201
09/01/2013 - September 2013 Observations
09/07/2017 - Industrial solvent widely found in U.S. drinking water
09/15/2014 - Dioxane Travel Time Modeling
09/19/2012 - Forbes Blogger Asks about Pall's 1,4-Dioxane Data
09/19/2014 - Email response to 4/4/14 Sutton review of EG flow
09/20/2011 - Still No Resolution on Pall/Gelman Database Anomalies
10/03/2014 - Pall to Install Monitoring Wells in the Honey Creek Area
10/18/2010 - Secret Negotitaions Continue on Pall/Gelman Proposal to Reduce Cleanup Activities
10/28/2013 - Email to DEQ
10/30/2017 - DEQ Makes 7.2 ppb Dioxane Standard Permanent
11/05/2015 - Even Higher Readings - northward expansion
11/07/2017 - EPA Issues Preliminary Assessment of Gelman site to be a Superfund site
11/17/2010 - DNRE Tentatively Approves Pall/Gelman Cleanup Plan Changes
11/22/2013 - MDEQ proposes outdated cleanup standards
11/24/2010 - Flow Chart of Eastern System Cleanup Term Sheet
12/09/2014 - Scientist with deep industry ties being considered for key EPA job
12/15/2008 - Well Prohibition Zone Expansion?
12/15/2010 - AnnArbor.com Pall/Gelman Article
2009 News
2016/11/29 - EPA will evaluate 1,4-dioxane under the Toxic Substances Control Act
20170806 - Lack of Complete, Central Database Hampers Understanding of Dioxane Plumes
20170914-EPA toxics nominee Dourson advocated for loose dioxane standard
List of AANews Gelman/Pall/Dioxane Articles Archive by Date
Michigan DEQ Issues Emergency Rules to Establish Safer Dioxane Standards
Moratorium on EPA Regulations
NGWA Award Questioned
Pall Proposes to Terminate Little Lake Dioxane Plume Cleanup
Pall's Transmission Pipeline Fails (again)
Pall/Gelman Database Changes
Prior News
2008/12/15 - Status Conference - Well Prohibition Zone Expansion?
2009/04/15 - Shocking news from Circuit Court Judge Donald Shelton
2009/04/27 - Good News, Bad News Follow-up to Schedule Order
2009/05/19 - Pall/Gelman Proposes Major Cuts in Dioxane Cleanup
2010/08/17 - Senate Passes Changes to Part 201
2010/10/18 - Secret Negotitaions Continue on Pall/Gelman Proposal to Reduce Cleanup Activities
2010/11/17 - DNRE Tentatively Approves Pall/Gelman Plan to Modify the Cleanup
2011/02/07 - Flow Chart of Cleanup Process if DNRE Approves Pall/Gelman's Proposed Changes
2011/02/11 - MDNRE Approves Pall/Gelman Plan to Reduce 1,4-Dioxane Groundwater Cleanup
2011/03/11 - Consent Judgment Changes Reduce Pall/Gelman Cleanup Requirements
2011/03/25 - AADL Video: "Our Water, Our Future" Panel
2011/07/25 - E. coli pollution in Scio Township's Honey Creek
2011/09/20 - Still No Resolution on Pall/Gelman Database Anomalies
2012/01/09 - Dispute Resolution Court Hearing January 11, 2012
2012/02/08 - Two Sets of "Books" to Monitor the Contamination -or- Cover Up of Faulty Database Conversion?
2013/01/07 - Ongoing Dioxane Sampling Problems
2013/01/12 - Pall Eliminates All "Dioxane" (from its 2008-2012 10-K reporting)
2013/02/20 - Pall/DEQ Split Sample Results Jan 2013
2013/02/27 - Pall/Gelman Groundwater Contamination Site - Maximum Dioxane Levels Per year
2013/09/01 - September 2013 Observations
2013/10/28 - Email to DEQ
2014/01/16 - Some Observations on the Pall/Gelman 1,4-Dioxane Groundwater Contamination Site
2014/03/31 - Meeting to Discuss Fracking in Scio Township
2014/04/01 - Advice on fracking rights from HRWC
05/03/2021 - Gelman litigation hearing
Other Dioxane Sites
Petition to the MDEQ and Governor Rick Snyder to Restore Database Access
2016/11/21 - Petition Requesting the Gelman Site Become a Federal USEPA Superfund Site
Prohibition Zone
Proposed 4th Consent Judgment Settlement
VIDEOS
10/23/1995 DEQ Public Meeting video on Gelman 1995 cleanup plan
AADL Video: "Our Water, Our Future" Panel
Audio Recordings
CTN Other Perspectives: Toxic Plume
Robots Talk About Pall/Gelman Cleanup--obsolete-XtraNormal is gone
Videos of Earlier Public Meetings
Videos of Pall/Gelman Discharge Point
Volunteer
Previous SRSW Home Pages
Copy of SRSW.org-20210928
2022/12/01 Two Newly Published Articles about Gelman Site Dioxane
01/24/2024 Public Notice of Gelman NPDES Permit Renewal
Dioxane Plumes 1992-2023
Dioxane Plumes 1992-2020
Home
2015 dioxane level graphs - northernmost wells
Screenshots of 1,4-dioxane graphs from
2015 Google Earth mashup
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